RUNNING_STATE, statement: select timestamp '2018-11-17' 2021-10-28 13:56:27.627 INFO codegen.CodeGenerator: Code generated in 6.696179 ms 2021-10-28 13:56:27.635 INFO spark.SparkContext: Starting job: collect 1402.0 B 1402.0 B 1402.0 B 1402.0 B 1402.0 B 2021-10-28 13:56:27.669 INFO codegen.CodeGenerator: Code generated in 8.815996 ms 2021-10-28 13:56:27.672 INFO scheduler.StatsReportListener: executor (non-fetch) version --> 2.7.4 Use JDBC driver with kerberos The below java code is using a keytab file to login and connect to Kyuubi server by JDBC. package org.apache.kyuubi.examples;

RUNNING_STATE, statement: select timestamp '2018-11-17' 2021-10-28 13:56:27.627 INFO codegen.CodeGenerator: Code generated in 6.696179 ms 2021-10-28 13:56:27.635 INFO spark.SparkContext: Starting job: collect 1402.0 B 1402.0 B 1402.0 B 1402.0 B 1402.0 B 2021-10-28 13:56:27.669 INFO codegen.CodeGenerator: Code generated in 8.815996 ms 2021-10-28 13:56:27.672 INFO scheduler.StatsReportListener: executor (non-fetch) version --> 2.7.4 Use JDBC driver with kerberos The below java code is using a keytab file to login and connect to Kyuubi server by JDBC. package org.apache.kyuubi.examples;

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 3.11 Contributing Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 3.12 large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more ad- vanced usage. 2.1 Ease of Use optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 3.11 Contributing Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 3.12 large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more ad- vanced usage. 2.1 Ease of Use optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 3.11 Contributing Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 3.12 large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more ad- vanced usage. 2.1 Ease of Use optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 3.11 Contributing Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194 3.12 large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more ad- vanced usage. 2.1 Ease of Use optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 3.11 Contributing Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 3.12 large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more ad- vanced usage. 2.1 Ease of Use optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer

large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more advanced usage. Ease of Use End users optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer HiveServer2 Kyuubi v.s. Spark Thrift JDBC/ODBC Server (STS) Contributing Contributing Code Get Started Code Style Guide Building From Source Building A Runnable Distribution Running Tests Debugging

large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more advanced usage. Ease of Use End users optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer HiveServer2 Kyuubi v.s. Spark Thrift JDBC/ODBC Server (STS) Contributing Contributing Code Get Started Code Style Guide Building From Source Building A Runnable Distribution Running Tests Debugging

large volumes of data with scalable computing resources. Besides, Kyuubi also supports submissions of code snippets and self-contained applications serverlessly for more advanced usage. Ease of Use End users optimized experience exploring their data universe in a serverless way, using either JDBC + SQL or REST + code. For most scenarios, the superpower of corresponding engines, such as Spark, and Flink, is no longer HiveServer2 Kyuubi v.s. Spark Thrift JDBC/ODBC Server (STS) Contributing Contributing Code Get Started Code Style Guide Building From Source Building A Runnable Distribution Running Tests Debugging